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Chapter 9 Specifications
Module Specifications
Module Specifications
HP 34907A
Digital Input / Output
Port 1, 2:
8 Bit, input or output, non-isolated
V
(L):
< 0.8V (TTL)
in
V
(H):
> 2.0V (TTL)
in
V
(L):
< 0.8V @ Iout = - 400 mA
out
V
(H):
> 2.4V @ Iout = 1 mA
out
V
(H) Max:
< 42V with external open drain pull-up
out
Alarming:
Maskable pattern match or state change
Speed
4 ms (max) alarm sampling
Latency
5 ms (typical) to 34970A alarm output
Read/Write Speed:
95/s
Totalize Input
26
Maximum Count:
2
- 1 (67,108,863)
Totalize Input:
100 kHz (max), rising or falling edge,
programmable
Signal Level:
1 Vp-p (min)
42 Vpk (max)
Threshold:
0V or TTL, jumper selectable
Gate Input:
TTL-Hi, TTL-Lo, or none
Count Reset:
Manual or Read+Reset
Read Speed:
85/s
Analog Voltage (DAC) Output
DAC 1, 2:
12V, non-isolated (earth referenced)
Resolution:
1 mV
I
:
out
10 mA max
Settling Time:
1 ms to 0.01% of output
Accuracy:
(% of output + mV)
1 year
5 C
0.25% + 20 mV
Temp Coefficient:
(0.015% + 1 mV) / C
412
Software Specifications
HP BenchLink Data Logger
[1]
System Requirements
PC Hardware:
486, 66 MHz, 16 MB RAM,
12 MB disk space
Operating System:
Windows
Windows NT
[2]
Computer Interfaces
HP-IB:
HP 82335B, 82340A/B/C, 82341A/B/C/D
National Instruments AT-GPIB/TNT,
PCI-GPIB
LAN-to-HP-IB:
HP E2050A (Windows 95 and NT only)
RS-232 (Serial Port):
PC COM 1 to 4
[3]
Performance
Scan and Save to Disk:
100 ch/s, 2 strip charts displayed
[1] Software provided on CD-ROM; includes utility to create
floppy disks for installation
[2] Interface and drivers must be purchased and installed separately
®
[3] 90 MHz Pentium
, 20 MB RAM
(not included with Option 001)
®
3.1, Windows 95,
®
4.0
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